Diederick Casteleijn Full name Diederick Casteleijn Born 1995 (age 31) Place of birth Federation Netherlands Profiles # World Ranking 2094 Classical 2073 Blitz Bio Most Played Openings White Pieces Réti Opening: Sicilian Invitation (1 games) Grünfeld Defense: Burille Variation (1 games) Giuoco Piano Game: Main Line, Giuoco Pianissimo Variation (1 games) Italian Game: Two Knights, Modern Bishop's Opening (1 games) Black Pieces Modern Defense: Standard, Two Knights Variation (1 games) Sicilian Defense: Nyezhmetdinov-Rossolimo Attack (1 games) Sicilian Defense: Nyezhmetdinov-Rossolimo, Fianchetto Variation (1 games) Pirc Defense: Classical, Quiet System (1 games) Games Players Result Moves Year Diederick Casteleijn (2128) Mark Helbig (2280) ½-½ 26 2024 Diederick Casteleijn (2079) Finn Pedersen (2305) 1-0 45 2019 Diederick Casteleijn (2091) Migchiel de Jong (2345) 0-1 57 2019 Anastasios Pavlidis (2338) Diederick Casteleijn (2079) 1-0 39 2019 Mateusz Sypien (2243) Diederick Casteleijn (2079) ½-½ 22 2019 Diederick Casteleijn (2048) Janis Valeinis (2214) 0-1 27 2017 Diederick Casteleijn (2048) Thomas Michos (2207) ½-½ 32 2017 Mateusz Sypien (2228) Diederick Casteleijn (2048) 1-0 60 2017 Dharim Bacus (2272) Diederick Casteleijn (1946) 1-0 61 2016 Show All Games